* Adding the first version of the rmt documentation.
* Stub RMT module compiles.
* This version seems to work in (at least) simple cases.
* CLean up the docs
* Minor fixes
* Give the SPI module a chance of working...
* Update to the released version of idf4.4
* Try to get the CI Build to work in all cases
* Try to get the CI Build to work in all cases
* FIx a ringbuffer return issue
* Remove bogus comment
* Review comments
* Better example of transmission
* Review comments
* Add table send example
* Improved documentation
* Documentation comments
* Install the driver correctly.
* A couple of doc updates
* Fix typo